GREE Photovoltaic Direct-driven Inverter Multi VRF Units
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Note: During commissioning, users must listen to the operating sound of outdoor and indoor fans
and compressors to check for exceptions.
(3) Commissioning Through the Portable Commissioning Tool
Step 1: Connect the Portable Commissioning Tool. Please refer to the operation manual of Portable
Commissioning Tool for the connection method.
Step 2: Setting DIP of ODU address. You must set this DIP in main control ODU. The setting code
(SA8) of main control unit shall be set to “00”. Otherwise, it is invalid.
Step 3: On the home page, press Unit Debug to enter into the page of engineering debugging.
Step 4: On the engineering debugging page, click “Startup” button to start engineering debugging;
press “Stoppage)” button to pause the engineering debugging;
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